In the Testing of Water for Coliforms,the Presumptive Test Involves

question 14

Multiple Choice

In the testing of water for coliforms,the presumptive test involves detection of

• A)gas production in a lactose broth medium.
• B)sheen production on a selective medium.
• C)a gram-negative nonspore-forming rod.
• D)All of these choices are correct.

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